a. b. Describe and explain the molecular ion region in the mass spectra of compounds D, E & F, below. CH3CH₂Br D CH₂CH₂CI BrCH₂CH₂Br E F Predict the major IR signals generated in an IR spectrum of compounds G and H, below.

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Chapter1: Chemical Foundations
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a.
b.
C.
Describe and explain the molecular ion region in the mass spectra of
compounds D, E & F, below.
CH3CH₂Br
D
Predict the major IR signals generated in an IR spectrum of compounds G
and H, below.
CH3CH₂CI BrCH₂CH₂Br
E
F
Ph `N´
Me
G
Me
Me-C=CH
H
Compound J, C₁2H17NO, shows a strong absorption band at 1650 cm¹ in its
IR spectrum. The ¹H NMR spectrum for compound J is shown in Figure 1
(on attached page).
Deduce the structure of J. Indicate clearly your reasoning involved in
developing the proposed structure and include a justification of your signal
assignments and an explanation of the splitting patterns in your answer.
Transcribed Image Text:a. b. C. Describe and explain the molecular ion region in the mass spectra of compounds D, E & F, below. CH3CH₂Br D Predict the major IR signals generated in an IR spectrum of compounds G and H, below. CH3CH₂CI BrCH₂CH₂Br E F Ph `N´ Me G Me Me-C=CH H Compound J, C₁2H17NO, shows a strong absorption band at 1650 cm¹ in its IR spectrum. The ¹H NMR spectrum for compound J is shown in Figure 1 (on attached page). Deduce the structure of J. Indicate clearly your reasoning involved in developing the proposed structure and include a justification of your signal assignments and an explanation of the splitting patterns in your answer.
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